Alert archive / North Carolina / Flash Flood Warnings in 2021
Flash Flood Warning 45, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Oct 7, 2021, 11:03 AM EDT for Burke County, North Carolina. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 7, 2021, 11:03 AM EDT (15:03 UTC)
- Expired
- Oct 7, 2021, 4:33 PM EDT
- In force
- 6 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
County Burke County, NC
The radar
The Greer radar (KGSP), 99 km from the middle of the area, began a volume at 15:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 7, 11:30 AM EDT | FLASH FLOOD | 4 W Pleasant Grove, NC | RICH MTN RD BRIDGE AT HENRY FORK WASHED OUT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.1 hours before the alert went out and 161 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 12 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
461
WGUS52 KGSP 071503
FFWGSP
NCC023-072045-
/O.NEW.KGSP.FF.W.0045.211007T1503Z-211007T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Greenville-Spartanburg SC
1103 AM EDT Thu Oct 7 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Flash Flood Warning for...
Southeastern Burke County in western North Carolina...
* Until 445 PM EDT.
* At 1103 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across eastern Burke County. Between 2 and 4 inches of
rain have fallen in the past 60 to 90 minutes. Additional rainfall
amounts of 1 to 2 inches are possible. Expect rapid flooding of
low-water crossing and other low-lying areas adjacent to small
streams, especially in the upper reaches of Henry River, Henry
Fork, and Jacob Fork, and areas in the South Mountains. Expect
flooding to begin and worsen over the next 1-2 hours before area
streams crest and flooding begins to recede. Avoid all flooded
roadways and seek higher ground if you live next to a small
stream. Campers in the South Mountains along creeks and streams
need to be ready to seek higher shelter if water starts rising
rapidly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Icard, Hildebran, South Mountains State Park and Pleasant Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3572 8162 3572 8140 3561 8151 3556 8154
3556 8158 3557 8158 3557 8160 3556 8165
3557 8167 3558 8169
FLASH FLOOD...RADAR INDICATED
$$
TDP1 follow-up statement
902
WGUS72 KGSP 072033
FFSGSP
Flash Flood Statement
National Weather Service Greenville-Spartanburg SC
433 PM EDT Thu Oct 7 2021
NCC023-072043-
/O.CAN.KGSP.FF.W.0045.000000T0000Z-211007T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burke NC-
433 PM EDT Thu Oct 7 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN BURKE COUNTY...
The Flash Flood Warning has been replaced by a Flood Warning since
the flash flood threat has passed but area streams remain above
bankfull levels. Please continue to obey all barricades and avoid
flooded roadways.
Additional heavy rainfall is possible later this afternoon and may
cause new flooding to develop. Please stay weather aware and have
multiple ways to receive warnings if additional flooding occurs. A
Flash Flood Watch remains in effect until 1200 PM EDT Friday for
portions of northeast Georgia, western North Carolina and upstate
South Carolina.
LAT...LON 3572 8162 3572 8140 3561 8151 3556 8154
3556 8158 3557 8158 3557 8160 3556 8165
3557 8167 3558 8169
$$
JMPThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 12:20 AM EDT | Areal Flood Advisory | GSP | Avery, Caldwell | 2 hr |
| Oct 7, 6:40 AM EDT | Areal Flood Advisory | GSP | Buncombe, Haywood, Henderson, Transylvania | 3 hr |
| Oct 7, 6:59 AM EDT | Areal Flood Advisory | GSP | Transylvania | 5 hr |
| Oct 7, 7:08 AM EDT | Areal Flood Advisory | GSP | Jackson, Macon, Transylvania | 3 hr |
| Oct 7, 7:34 AM EDT | Flash Flood Warning | GSP | Buncombe, McDowell, Rutherford | 7 hr |
| Oct 7, 8:10 AM EDT | Flash Flood Warning | GSP | Henderson, Rutherford | 3 hr |
| Oct 7, 9:05 AM EDT | Special Weather Statement | GSP | Burke | 55 min |
| Oct 7, 9:25 AM EDT | Flash Flood Warning | GSP | Burke, McDowell | 5 hr |
| Oct 7, 9:41 AM EDT | River Flood Advisory | GSP | Buncombe, Henderson | 3 days |
| Oct 7, 9:41 AM EDT | River Flood Advisory | GSP | Buncombe | 17 hr |
| Oct 7, 9:46 AM EDT | River Flood Warning | GSP | Henderson, Transylvania | 68 hr |
| Oct 7, 10:53 AM EDT | Areal Flood Advisory | GSP | Transylvania | 6 hr |
| Oct 7, 11:19 AM EDT | Areal Flood Warning | GSP | Henderson, Rutherford | 6 hr |
| Oct 7, 11:49 AM EDT | Areal Flood Advisory | GSP | Henderson, Polk | 8 hr |
| Oct 7, 1:02 PM EDT | Areal Flood Advisory | GSP | Macon, Swain | 8 hr |
| Oct 7, 2:01 PM EDT | Areal Flood Warning | GSP | Burke, McDowell | 4 hr |
Nearby
Flash Flood Warnings in North Carolina, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.